Model: 002909

Optical Element Retainer

Properties:

Hole Diameter
Between 3.765 inches and 3.770 inches
Width
0.062 inches
Overall Length
0.312 inches
Hole Or Slot Quantity
2
Recess Diameter
Between 3.843 inches and 3.853 inches
Recess Depth
0.302 inches
Depth
0.062 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
180.0
Guide Design
Thread chamfer
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Material
Stainless steel, mil-t-8506 comp 304
Material
Stainless steel, mil-t-8506 comp 304
Style Designator
Recessed
Surface Treatment
Black oxide
NSN
6650-00-972-8650
Part Number
002909
Description
Retainer,optical Element
CAGE
34228

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.

Part 002909 NSN 6650-00-972-8650

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22451
FIIG:
T271-K
Concept No.:
App. Key:
KA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
651
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 9018500000
  • SITC: 87225
  • End Use: Medicinal equipment
  • NAICS: 339115
  • USDA: 1

Freight Class: Other ophthalmic instruments and appliances and parts and accessories

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